uni-t-ut181a: silence compiler warning, use of uninitialized variable

[libsigrok.git] / src / hardware / hantek-4032l / protocol.h

diff --git a/src/hardware/hantek-4032l/protocol.h b/src/hardware/hantek-4032l/protocol.h
index b5017ed23000ff8905161c7a595761f3ace07b5d..f0e46d376ea1f66cdef1db9fb4cf5e0e5733e5d5 100644 (file)
--- a/src/hardware/hantek-4032l/protocol.h
+++ b/src/hardware/hantek-4032l/protocol.h
@@ -33,34 +33,69 @@
 #define H4032L_USB_VENDOR 0x04b5
 #define H4032L_USB_PRODUCT 0x4032
 
+#define H4032L_DATA_BUFFER_SIZE (2 * 1024)
+#define H4032L_DATA_TRANSFER_MAX_NUM 32
+
+#define H4043L_NUM_SAMPLES_MIN (2 * 1024)
+#define H4032L_NUM_SAMPLES_MAX (64 * 1024 * 1024)
+
+#define H4032L_THR_VOLTAGE_MIN -6.0
+#define H4032L_THR_VOLTAGE_MAX 6.0
+#define H4032L_THR_VOLTAGE_STEP 0.1
+/*
+ * Array index of the default voltage threshold value (2.5V):
+ * (|min| / step) + (default / step) = (|-6.0| / 0.1) + (2.5 / 0.1) = 85
+ */
+#define H4032L_THR_VOLTAGE_DEFAULT 85
+
 #define H4032L_CMD_PKT_MAGIC 0x017f
 #define H4032L_STATUS_PACKET_MAGIC 0x2B1A037F
 #define H4032L_START_PACKET_MAGIC 0x2B1A027F
 #define H4032L_END_PACKET_MAGIC 0x4D3C037F
 
+enum h4032l_clock_edge_type {
+       H4032L_CLOCK_EDGE_TYPE_RISE,
+       H4032L_CLOCK_EDGE_TYPE_FALL,
+       H4032L_CLOCK_EDGE_TYPE_BOTH
+};
+
+enum h4032l_ext_clock_source {
+       H4032L_EXT_CLOCK_SOURCE_CHANNEL_A,
+       H4032L_EXT_CLOCK_SOURCE_CHANNEL_B
+};
+
+enum h4032l_clock_edge_type_channel {
+       H4032L_CLOCK_EDGE_TYPE_RISE_A = 0x24,
+       H4032L_CLOCK_EDGE_TYPE_RISE_B,
+       H4032L_CLOCK_EDGE_TYPE_BOTH_A,
+       H4032L_CLOCK_EDGE_TYPE_BOTH_B,
+       H4032L_CLOCK_EDGE_TYPE_FALL_A,
+       H4032L_CLOCK_EDGE_TYPE_FALL_B
+};
+
 enum h4032l_trigger_edge_type {
-       H4032L_TRIGGER_EDGE_TYPE_RISE = 0,
+       H4032L_TRIGGER_EDGE_TYPE_RISE,
        H4032L_TRIGGER_EDGE_TYPE_FALL,
        H4032L_TRIGGER_EDGE_TYPE_TOGGLE,
        H4032L_TRIGGER_EDGE_TYPE_DISABLED
 };
 
 enum h4032l_trigger_data_range_type {
-       H4032L_TRIGGER_DATA_RANGE_TYPE_MAX = 0,
+       H4032L_TRIGGER_DATA_RANGE_TYPE_MAX,
        H4032L_TRIGGER_DATA_RANGE_TYPE_MIN_OR_MAX,
        H4032L_TRIGGER_DATA_RANGE_TYPE_OUT_OF_RANGE,
        H4032L_TRIGGER_DATA_RANGE_TYPE_WITHIN_RANGE
 };
 
 enum h4032l_trigger_time_range_type {
-       H4032L_TRIGGER_TIME_RANGE_TYPE_MAX = 0,
+       H4032L_TRIGGER_TIME_RANGE_TYPE_MAX,
        H4032L_TRIGGER_TIME_RANGE_TYPE_MIN_OR_MAX,
        H4032L_TRIGGER_TIME_RANGE_TYPE_OUT_OF_RANGE,
        H4032L_TRIGGER_TIME_RANGE_TYPE_WITHIN_RANGE
 };
 
 enum h4032l_trigger_data_selection {
-       H4032L_TRIGGER_DATA_SELECTION_NEXT = 0,
+       H4032L_TRIGGER_DATA_SELECTION_NEXT,
        H4032L_TRIGGER_DATA_SELECTION_CURRENT,
        H4032L_TRIGGER_DATA_SELECTION_PREV
 };
@@ -74,10 +109,11 @@ enum h4032l_status {
        H4032L_STATUS_RESPONSE_STATUS_CONTINUE,
        H4032L_STATUS_CMD_GET,
        H4032L_STATUS_FIRST_TRANSFER,
-       H4032L_STATUS_TRANSFER,
+       H4032L_STATUS_TRANSFER
 };
 
-struct __attribute__((__packed__)) h4032l_trigger {
+#pragma pack(push,2)
+struct h4032l_trigger {
        struct {
                uint32_t edge_signal:5;
                uint32_t edge_type:2;
@@ -99,7 +135,7 @@ struct __attribute__((__packed__)) h4032l_trigger {
        uint32_t combine_data;
 };
 
-struct __attribute__((__packed__)) h4032l_cmd_pkt {
+struct h4032l_cmd_pkt {
        uint16_t magic; /* 0x017f */
        uint8_t sample_rate;
        struct {
@@ -115,20 +151,36 @@ struct __attribute__((__packed__)) h4032l_cmd_pkt {
        struct h4032l_trigger trigger[2];
        uint16_t cmd;
 };
+#pragma pack(pop)
 
 struct dev_context {
        enum h4032l_status status;
+       uint64_t sample_rate;
+       unsigned int sent_samples;
+       int submitted_transfers;
        uint32_t remaining_samples;
+       gboolean acq_aborted;
        struct h4032l_cmd_pkt cmd_pkt;
-       struct libusb_transfer *usb_transfer;
-       uint8_t buffer[512];
+       unsigned int num_transfers;
+       struct libusb_transfer **transfers;
+       uint8_t buf[512];
        uint64_t capture_ratio;
+       uint32_t trigger_pos;
+       gboolean external_clock;
+       enum h4032l_ext_clock_source external_clock_source;
+       enum h4032l_clock_edge_type clock_edge;
+       double cur_threshold[2];
+       uint32_t fpga_version;
 };
 
 SR_PRIV int h4032l_receive_data(int fd, int revents, void *cb_data);
 SR_PRIV uint16_t h4032l_voltage2pwm(double voltage);
 SR_PRIV void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer);
+SR_PRIV void LIBUSB_CALL h4032l_data_transfer_callback(struct libusb_transfer *transfer);
+SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi);
 SR_PRIV int h4032l_start(const struct sr_dev_inst *sdi);
+SR_PRIV int h4032l_stop(struct sr_dev_inst *sdi);
 SR_PRIV int h4032l_dev_open(struct sr_dev_inst *sdi);
+SR_PRIV int h4032l_get_fpga_version(const struct sr_dev_inst *sdi);
 
 #endif